/*
 * XPrintPreviewDialog.java
 * 
 * Copyright (c) 2006 - 2007
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.xfc.print;

import java.awt.print.PrinterAbortException;
import java.awt.print.PrinterJob;

import org.xfc.dialog.XErrorDialog;
import org.xfc.util.XTask;

/**
 * 
 * 
 * @author Devon Carew
 */
class XPrintTask
	extends XTask
{
	private PrinterJob printJob;
	
	public XPrintTask(PrinterJob printJob)
	{
		super("Printing " + printJob.getJobName(), XPrintUtilities.PRINT_ICON);
		
		this.printJob = printJob;
		
		setCancelable(true);
		setModal(false);
	}
	
	protected Object performWork()
		throws Exception
	{
		// I would like to decorate the Printable so that we can get page by page progress.
		// However, no getters in the PrinterJob API.
		printJob.print();
		
		return null;
	}
	
	protected void taskPostFlightException(Throwable t)
	{
		if (t instanceof PrinterAbortException)
		{
			// The user cancelled the print job.
			
		}
		else
		{
			XErrorDialog dialog = new XErrorDialog(
				"Error Printing Document", "There was an error printing " + getTaskName() + ".", t);
			
			dialog.setSubMessage(t.toString());
			
			dialog.show();
		}
	}
	
	public void setCancelled(boolean cancelled)
	{
		super.setCancelled(cancelled);
		
		if (isCancelled() && isTaskRunning())
		{
			printJob.cancel();
		}
	}

}
